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Back[ITmedia ビジネスオンライン] ソフトバンク宮川社長「正直もう疲れ切っている」 サイバー攻撃が月7億件、決算発表会で明かした危機感とは
[ITmedia ビジネスオンライン] ソフトバンク宮川社長「正直もう疲れ切っている」 サイバー攻撃が月7億件、決算発表会で明かした危機感とは
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ITmedia21 hours agoBusiness3 min readJapanView translation

[ITmedia ビジネスオンライン] ソフトバンク宮川社長「正直もう疲れ切っている」 サイバー攻撃が月7億件、決算発表会で明かした危機感とは

クラウド・AI領域の成長が牽引し、通期業績予想を上方修正

Quick Look

ソフトバンクの2027年3月期第2四半期連結決算は、売上高・利益ともに過去最高を更新。法人向けクラウド・AI事業が好調で、通期業績予想も上方修正された。また、AIを活用したサイバー攻撃への対策として提供するセキュリティサービスの契約社数が7000社を突破した。

AI-generated summary

Why It Matters

ソフトバンクは法人向けクラウド・AI事業の拡大と、AI技術を活用したセキュリティ対策サービスの強化を進めている。

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ソフトバンクは11月9日、2027年3月期第2四半期の連結決算を発表した。売上高は前年同期比11.7%増の3兆7987億円、営業利益は同2.1%増の6421億円、純利益は同4.5%増の3645億円で、いずれも過去最高を更新した。

これを受け、2027年3月期通期の業績予想は売上高7兆9000億円、営業利益1兆1600億円、純利益6100億円に上方修正した。

業績をけん引したのは、法人向けの通信サービスやクラウドサービス、セキュリティ、AIサービスなどを含むエンタープライズ事業だ。売上高は同11.8%増の5389億円で、そのうちAI計算基盤などを含む「クラウド・AI」領域の売上高は同36.7%増となった。営業利益は同19.9%増の1248億円だった。北海道苫小牧市のAIデータセンターについては、2026年度中の開業に向けて順調に進んでいるとした。

モバイルサービスや電力サービスなどのコンシューマ事業は売上高1兆6025億円(同8.6%増)、「Yahoo! JAPAN」や「LINE」での広告関連サービスなどを含むメディア・EC事業は売上高8947億円(同8.7%増)、キャッシュレス決済サービスなどのファイナンス事業は売上高2419億円(同27.5%増)だった。

決算説明会では、相次ぐサイバー攻撃への対応も焦点となった。

同社が提供する、ITシステムの脆弱(ぜいじゃく)性対策を支援するセキュリティサービス「Patching as a Service」の契約社数は7000社を超えた。宮川潤一社長は、脆弱性の診断、修正パッチの適用、正常稼働の確認という3つのサイクルを、迅速かつ継続的に実施することが重要だと指摘する。

Patching as a Serviceは、米OpenAIのAI技術を活用している。修正パッチの適用までは自動化しているものの、正常に稼働しているかどうかの確認作業は人の手で実施しており、完全自動化に向けて開発を進める。

「高性能なAIを使った攻撃は毎週のように増加し続けています。侵入経路を作る能力や犯行に要するスピードも日々強力になってきています。新しいAIモデルが公開されるたびに、これまでに知られていなかった新たな脆弱性が見つかり、対処したはずのシステムが再度また攻撃を受けるリスクが生まれています。攻撃側のAIが進化し続けている以上、防御側であるわれわれもAIで進化し続けなければなりません」(宮川社長)

What to Watch

AI outlook — possibilities, not facts

  • 北海道苫小牧市のAIデータセンターの2026年度中の開業

    Likely · Within months

Open Questions

  • Patching as a Serviceの完全自動化の時期はいつか

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This article was originally published by ITmedia.

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